JP4018393B2 - 通信用半導体集積回路および無線通信システム - Google Patents

通信用半導体集積回路および無線通信システム Download PDF

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Publication number
JP4018393B2
JP4018393B2 JP2002011050A JP2002011050A JP4018393B2 JP 4018393 B2 JP4018393 B2 JP 4018393B2 JP 2002011050 A JP2002011050 A JP 2002011050A JP 2002011050 A JP2002011050 A JP 2002011050A JP 4018393 B2 JP4018393 B2 JP 4018393B2
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Japan
Prior art keywords
circuit
frequency
oscillation
signal
counter
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Expired - Fee Related
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JP2002011050A
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Japanese (ja)
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JP2003152535A (ja
JP2003152535A5 (https=
Inventor
真澄 笠原
弘孝 大澤
ロバート・アストル・ヘンシャウ
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Renesas Technology Corp
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Renesas Technology Corp
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
    • H03L7/187—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number using means for coarse tuning the voltage controlled oscillator of the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop

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  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Transceivers (AREA)
  • Superheterodyne Receivers (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
JP2002011050A 2001-11-16 2002-01-21 通信用半導体集積回路および無線通信システム Expired - Fee Related JP4018393B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0127537.9A GB0127537D0 (en) 2001-11-16 2001-11-16 A communication semiconductor integrated circuit device and a wireless communication system
GB0127537.9 2001-11-16

Publications (3)

Publication Number Publication Date
JP2003152535A JP2003152535A (ja) 2003-05-23
JP2003152535A5 JP2003152535A5 (https=) 2005-07-28
JP4018393B2 true JP4018393B2 (ja) 2007-12-05

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ID=9925910

Family Applications (1)

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JP2002011050A Expired - Fee Related JP4018393B2 (ja) 2001-11-16 2002-01-21 通信用半導体集積回路および無線通信システム

Country Status (9)

Country Link
US (2) US7148764B2 (https=)
EP (1) EP1444784B1 (https=)
JP (1) JP4018393B2 (https=)
AT (1) ATE329410T1 (https=)
AU (1) AU2002339165A1 (https=)
DE (1) DE60212174T2 (https=)
GB (1) GB0127537D0 (https=)
TW (1) TW546922B (https=)
WO (1) WO2003044961A2 (https=)

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JP2006279392A (ja) * 2005-03-29 2006-10-12 Renesas Technology Corp 通信用半導体集積回路
JP2006300742A (ja) * 2005-04-21 2006-11-02 Shizuoka Prefecture 発振周波数調整方式を利用した化学物質検出装置
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Also Published As

Publication number Publication date
US20050068111A1 (en) 2005-03-31
EP1444784B1 (en) 2006-06-07
WO2003044961A3 (en) 2003-11-27
TW546922B (en) 2003-08-11
GB0127537D0 (en) 2002-01-09
AU2002339165A1 (en) 2003-06-10
US7504903B2 (en) 2009-03-17
DE60212174T2 (de) 2007-04-12
US20070052488A1 (en) 2007-03-08
EP1444784A2 (en) 2004-08-11
JP2003152535A (ja) 2003-05-23
US7148764B2 (en) 2006-12-12
DE60212174D1 (de) 2006-07-20
ATE329410T1 (de) 2006-06-15
AU2002339165A8 (en) 2003-06-10
WO2003044961A2 (en) 2003-05-30

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